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CS601 - Data Communication Assignment No. 2 Solution and Discussion Spring 2017 Due Date: May 19, 2017

CS601 - Data Communication Assignment No. 2 Solution and Discussion Spring 2017 Due Date: May 19, 2017 

                          Assignment No. 02
                        Semester: Spring 2017

CS601: Data Communication

Total Marks: 10


Due Date: 19/05/2017



Please read the following instructions carefully before submitting assignment:

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The objective of this assignment is to:


  • Learning Signals and Encoding Schemes































Question No. 1


Consider a periodic signal which is decomposed into 10 sine waves with frequencies 300, 900, 1100, 500, 700, 800, 1300, 1200,600 and 400 Hz, what is the Bandwidth of this signal? Give your answer with complete calculations and proper unit in given table.














Question No. 2


Draw the NRZ-I encoding scheme for the following bit pattern:




Note: Assume that NRZ-I first signal starts with Positive polarity.












Best of Luck!


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Question 1. What is the bandwidth?

Max frequency = 1300 Hz
Min Frequency = 300 Hz
Bandwidth = Max – Min
Bandwidth = 1300 – 300

Bandwidth = 1000 Hz

how could find unit?

Hz is unit?

yes, Unit of frequency is hertz (hz) 

Question no. 2:-

this is wrong. the first signal will be positive and u have to start the inverting of 1's after 1st second(time interval)

Question 2 answer is wrong. The first signal starts with Positive polarity so below is the correct answer:


Which one is right? Please explain..!

its right


aoa ap ye diagram kis m bnaty hn


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